Virtualisation

Projet A

- zend server

- mysql

- php 5.3

Projet B

- 5 × apache2

- 5 × postgresql

- php 5.4

- rabbitmq

Solution : VM ?

VM

Container

Concrètement

VirtualBox

docker

Démarrage

 ~ 1 min

~ 0.3 sec

Mémoire

~ 256 Mo

~ 1 Mo

Espace disque

~ 1 Go

~ 100 Ko

Et pour
Windows et OS X ?

• boot2docker

• docker-machine

• Kitematic

$ docker-compose up -d
Creating project_db_1...
Creating project_web_1...

$ docker-compose scale web=3
Starting project_web_2...
Starting project_web_3...

$ docker-compose ps
        Name             Command   State     Ports 
-------------- -----------------------------------
project_web_1  apache2-foreground  Up    80/tcp    
project_web_2  apache2-foreground  Up    80/tcp    
project_web_3  apache2-foreground  Up    80/tcp    
project_db_1   mysqld              Up    3306/tcp  

$ docker-compose logs web
Attaching to project_web_3, project_web_2, project_web_1
app_2 | RUN apache
app_1 | RUN apache
app_3 | RUN apache

docker-compose

# docker-compose.yml

web:
  image: php:5.6-apache
  links:
    - db:db
  volumes:
    - .:/var/www/html

db:
  image: postgres

anciennement fig

Accéder aux containers

Accéder aux containers

Ports

# docker-compose.yml

web:
  image: php:5.6-apache
  ports:
    - "8080:80"
  links:
    - db:db
  volumes:
    - .:/var/www/html

db:
  image: postgres
  ports:
    - "3306:3306"

# A/docker-compose.yml

web:
  image: php:5.6-apache
  ports:
    - "8080:80"
  links:
    - db:db
  volumes:
    - .:/var/www/html

db:
  image: postgres
  ports:
    - "3306:3306"

# B/docker-compose.yml

web:
  image: php:5.6-apache
  ports:
    - "8081:80"
  links:
    - db:db
  volumes:
    - .:/var/www/html

db:
  image: postgres
  ports:
    - "3307:3306"

docker-gen + Dnsmasq

http://j.mp/dns-gen

# docker-compose.yml

web:
  image: php:5.6-apache
  environment:
    - DOMAIN_NAME=web.project.docker
  links:
    - db:db
  volumes:
    - .:/var/www/html

$ nslookup web.project.docker
Server:		172.17.42.1
Address:	172.17.42.1#53

Name:	web.project.docker
Address: 172.17.0.193

Launch time?

Solution ?

// app_dev.php

// This check prevents access to debug front controllers that are deploy
// Feel free to remove this, extend it, or make something more sophistic
if (isset($_SERVER['HTTP_CLIENT_IP'])
    || isset($_SERVER['HTTP_X_FORWARDED_FOR'])
    || !(in_array(@$_SERVER['REMOTE_ADDR'], array('127.0.0.1', 'fe80::1'
) {
    header('HTTP/1.0 403 Forbidden');
    exit('You are not allowed to access this file. Check '.basename(__FI
}

<?php //app.php

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Debug\Debug;
use Symfony\Component\ClassLoader\ApcClassLoader;

$env = getenv('SYMFONY_ENV') ?: 'prod';
$debug = 'dev' === $env;

$loader = require_once __DIR__.'/../app/bootstrap.php.cache';
if ($debug) {
    Debug::enable();
}

if ('prod' === $env) {
    $apcLoader = new ApcClassLoader(sha1(__FILE__), $loader);
    $loader->unregister();
    $apcLoader->register(true);
}

require_once __DIR__.'/../app/AppKernel.php';

$kernel = new AppKernel($env, $debug);

$kernel->loadClassCache();
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);

Utiliser SYMFONY_ENV

Définir SYMFONY_ENV

# docker-compose.yml

web:
  image: php:5.6-apache
  environment:
    - SYMFONY_ENV=dev
  command: /usr/sbin/apache2ctl -D FOREGROUND
  volumes:
    - .:/var/www/html

# vhost.conf

<VirtualHost *:80>
    DocumentRoot /var/www/html

    SetEnv SYMFONY_ENV "dev"

    <Directory /var/www/html>
        AllowOverride All
        Require all granted
    </Directory>
</VirtualHost>

Boîte à outils

# docker-compose.yml

web:
  image: php:5.6-apache
  volumes:
    - .:/var/www/html

tools:
  build: ./docker/tools
  volumes:
    - .:/var/www/html
  

$ docker-compose run --rm tools bower install
$ docker-compose run --rm tools app/console assetic:dump

# Dockerfile

FROM debian:jessie

RUN apt-get update \
 && apt-get install --no-install-recommends -y \
    nodejs \
    npm \
    php5-cli \
    php5-curl \
    php5-json \
    php5-intl \
 && apt-get clean \
 && rm -r /var/lib/apt/lists/*

RUN ln -sf /usr/bin/nodejs /usr/bin/node \
 && npm install -g bower less

jolicode/phaudit

$ alias phaudit="docker run --rm -ti \
    -v \`pwd\`:/project \
    jolicode/phaudit"

$ phaudit phploc .

$ phaudit pdepend --summary-xml=summary.xml .

$ phaudit phpmd . text naming

$ phaudit phpcs .

$ phaudit phpcbf .

$ phaudit phpcpd .

$ phaudit phpdcd .

$ phaudit phpmetrics --report-cli .

$ phaudit php-cs-fixer fix .

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